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authorRalf Baechle <ralf@linux-mips.org>2006-11-06 20:41:06 +0300
committerRalf Baechle <ralf@linux-mips.org>2006-11-06 23:55:38 +0300
commit4a4cf77923eeb3cec40a302656d6ab5ced04ba48 (patch)
tree6388d7a2227a28697b4c833089980c26df696745 /arch/mips/sgi-ip27/ip27-irq.c
parent325d08d1a44b601fbf70c259fb61c38d2af7d309 (diff)
downloadlinux-4a4cf77923eeb3cec40a302656d6ab5ced04ba48.tar.xz
[MIPS] Make irq number allocator generally available for fixing EV64120.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sgi-ip27/ip27-irq.c')
-rw-r--r--arch/mips/sgi-ip27/ip27-irq.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c
index f01ba1f90770..270ecd3e6b4a 100644
--- a/arch/mips/sgi-ip27/ip27-irq.c
+++ b/arch/mips/sgi-ip27/ip27-irq.c
@@ -354,29 +354,6 @@ static struct irq_chip bridge_irq_type = {
.end = end_bridge_irq,
};
-static unsigned long irq_map[NR_IRQS / BITS_PER_LONG];
-
-int allocate_irqno(void)
-{
- int irq;
-
-again:
- irq = find_first_zero_bit(irq_map, NR_IRQS);
-
- if (irq >= NR_IRQS)
- return -ENOSPC;
-
- if (test_and_set_bit(irq, irq_map))
- goto again;
-
- return irq;
-}
-
-void free_irqno(unsigned int irq)
-{
- clear_bit(irq, irq_map);
-}
-
void __devinit register_bridge_irq(unsigned int irq)
{
irq_desc[irq].status = IRQ_DISABLED;